The "pulp chamber" is a term used to describe a small space inside a tooth. It contains nerves and blood vessels that provide nourishment and sensitivity to the tooth. Full definition
After carefully extracting genetic material from the inner pulp chamber of the teeth (so as not to damage their exteriors), the team created what Bos called a genetic «fishing rod,» baited with molecules from modern - day Y. pestis. (scientificamerican.com)
In each tooth, there is a sensitive pulp chamber surrounded by a bony substance called dentin. (earlysvilleanimalhospital.com)
Digital x-rays are then taken, if needed, to allow the veterinarian to evaluate the root and pulp chamber of the teeth and decide if extractions are necessary. (cheshirecatclinic.com)